X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2Fdu_app%2Fdu_cell_mgr.c;h=b0eb8651c260d0c6b55eabbeb879d93e14f26639;hb=b3d5c17f74361fcdcb9b9febff450292197e3a57;hp=d40755b361e064f9ef8963eea5f52569b435f391;hpb=ff0c6fbd56fc24b9c286dc6444e1e0fbe8871625;p=o-du%2Fl2.git diff --git a/src/du_app/du_cell_mgr.c b/src/du_app/du_cell_mgr.c index d40755b36..b0eb8651c 100644 --- a/src/du_app/du_cell_mgr.c +++ b/src/du_app/du_cell_mgr.c @@ -18,6 +18,7 @@ /* This file contains message handling functionality for DU cell management */ #include "common_def.h" +#include "du_tmr.h" #include "lrg.h" #include "legtp.h" #include "lrg.x" @@ -26,11 +27,19 @@ #include "rgr.x" #include "du_app_mac_inf.h" #include "du_app_rlc_inf.h" +#include "du_e2ap_mgr.h" #include "du_cfg.h" #include "du_mgr.h" #include "du_utils.h" #include "du_cell_mgr.h" #include "PCCH-Config.h" +#include "PagingUE-Identity.h" +#include "PagingRecord.h" +#include "PagingRecordList.h" +#include "PagingRrc.h" +#include "PCCH-MessageType.h" +#include "PCCH-Message.h" +#include "odu_common_codec.h" #ifdef O1_ENABLE @@ -46,6 +55,19 @@ DuMacCellDeleteReq packMacCellDeleteReqOpts[] = packDuMacCellDeleteReq /* Light weight-loose coupling */ }; +DuMacDlPcchInd packMacDlPcchIndOpts[] = +{ + packDuMacDlPcchInd, /* Loose coupling */ + MacProcDlPcchInd, /* TIght coupling */ + packDuMacDlPcchInd /* Light weight-loose coupling */ +}; + +DuMacDlBroadcastReq packMacDlBroadcastReqOpts[] = +{ + packDuMacDlBroadcastReq, /* Loose coupling */ + MacProcDlBroadcastReq, /* TIght coupling */ + packDuMacDlBroadcastReq /* Light weight-loose coupling */ +}; /******************************************************************* * * @brief Processes cells to be activated @@ -73,21 +95,27 @@ uint8_t duProcCellsToBeActivated(uint8_t *plmnStr, uint16_t nci, uint16_t nRPci) memset(tmpPlmn, 0, 4); buildPlmnId(duCb.cfgCellLst[cfgIdx]->cellInfo.nrEcgi.plmn, tmpPlmn); if(duCb.cfgCellLst[cfgIdx]->cellInfo.nrEcgi.cellId == nci && - (strcmp((const char*)tmpPlmn, (const char*)plmnStr) == 0)) + (strcmp((const char*)tmpPlmn, (const char*)plmnStr) == 0)) { - cellCb = duCb.cfgCellLst[cfgIdx]; - break; + cellCb = duCb.cfgCellLst[cfgIdx]; + break; } else { - DU_LOG("\nERROR --> DU APP : No Cell found for NCI %d", nci); - return RFAILED; + DU_LOG("\nERROR --> DU APP : No Cell found for NCI %d", nci); + return RFAILED; } } cellCb->cellStatus = ACTIVATION_IN_PROGRESS; cellCb->cellInfo.nrPci = nRPci; + if((cmHashListInit(&(cellCb->pagingInfoMap), MAX_SFN, sizeof(DuPagInfoList),\ + FALSE, CM_HASH_KEYTYPE_CONID, DU_APP_MEM_REGION, DU_POOL)) != ROK) + { + DU_LOG("ERROR --> DU APP: Failed to Initialize the Paging Hash Map"); + return RFAILED; + } duCb.actvCellLst[cellCb->cellId -1] = cellCb; duCb.numActvCells++; @@ -160,6 +188,103 @@ uint8_t duGetCellCb(uint16_t cellId, DuCellCb **cellCb) return ROK; } +/****************************************************************************** +* @brief Check Paging Record for a Particular Paging Frame +* +* @details +* +* Function : checkPagingRecord +* +* Functionality: +* Check Paging Record for a Particular Paging Frame +* +* @params[in] DuCellCb *cellCb +* +* @return ROK/RFAILURE (uint8_t return) +* +* +******************************************************************************/ +uint8_t checkPagingRecord(DuCellCb *cellCb) +{ + uint16_t pf = 0; + DuPagInfoList *pagInfoLLFromPF = NULLP; + DuPagUeList *pagInfo = NULLP; + + /*DUAPP may send PagingReq to MAC for future SFN so that Schedular can + * schedule Paging on the exact occurence of the Slot.*/ + pf = (cellCb->currSlotInfo.sfn + PAGING_SCHED_DELTA) % MAX_SFN; + + pagInfoLLFromPF = findPagingInfoFromMap(pf, &(cellCb->pagingInfoMap)); + if(pagInfoLLFromPF == NULLP) + { + /*No Page is present for pf thus exiting*/ + return ROK; + } + + do + { + pagInfo = handlePageInfoLL(pf, NULLD, &(pagInfoLLFromPF->pagInfoList), TRAVERSE_ALL); + if(pagInfo != NULLP) + { + if(BuildAndSendDlPcchIndToMac(cellCb->cellId, pf, pagInfo->i_s, &(pagInfo->pagUeList)) != ROK) + { + DU_LOG("\nERROR --> DU APP: Issue in Building Page RRC PDU i_s:%d",pagInfo->i_s); + return RFAILED; + } + handlePageInfoLL(pf, pagInfo->i_s, &(pagInfoLLFromPF->pagInfoList), DELETE); + } + if(pagInfoLLFromPF->pagInfoList.first == NULLP) + { + break; + } + }while(pagInfo != NULLP); + + cmHashListDelete(&(cellCb->pagingInfoMap), (PTR)pagInfoLLFromPF); + DU_FREE(pagInfoLLFromPF, sizeof(DuPagInfoList)); + return ROK; +} + +/****************************************************************** + * + * @brief Send pcch indication to MAC + * + * @details + * + * Function : sendDlPcchIndToMac + * + * Functionality: Send pcch indication to MAC + * + * @Params[in] DlPcchInd *pcchInd + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ + +uint8_t sendDlPcchIndToMac(DlPcchInd *pcchInd) +{ + uint8_t ret = ROK; + Pst pst; + + if(pcchInd) + { + /* Fill Pst */ + FILL_PST_DUAPP_TO_MAC(pst, EVENT_MAC_DL_PCCH_IND); + + ret = (*packMacDlPcchIndOpts[pst.selector])(&pst, pcchInd); + if(ret == RFAILED) + { + DU_LOG("\nERROR --> DU APP : sendDlPcchIndToMac(): Failed to DL PCCH indication to MAC"); + } + } + else + { + DU_LOG("\nERROR --> DU APP: sendDlPcchIndToMac(): Received pcchInd is NULLP"); + ret = RFAILED; + } + return ret; +} + + /***************************************************************** * @brief Handles slot indication from MAC * @@ -180,7 +305,7 @@ uint8_t duGetCellCb(uint16_t cellId, DuCellCb **cellCb) uint8_t duHandleSlotInd(Pst *pst, SlotTimingInfo *slotIndInfo) { uint8_t cellIdx = 0, ret = ROK; - DuCellCb *duCellCb; + DuCellCb *duCellCb = NULLP; if(slotIndInfo) { @@ -191,6 +316,7 @@ uint8_t duHandleSlotInd(Pst *pst, SlotTimingInfo *slotIndInfo) { duCellCb->currSlotInfo.sfn = slotIndInfo->sfn; duCellCb->currSlotInfo.slot = slotIndInfo->slot; + checkPagingRecord(duCellCb); } else { @@ -242,14 +368,15 @@ uint8_t duHandleCellUpInd(Pst *pst, OduCellId *cellId) cellCb->cellStatus = ACTIVATED; gCellStatus = CELL_UP; - if(duCfgParam.tempSliceCfg.rrmPolicy) - BuildAndSendSliceConfigReq(duCfgParam.tempSliceCfg.rrmPolicy, duCfgParam.tempSliceCfg.totalRrmPolicy, duCfgParam.tempSliceCfg.totalSliceCount); + if(duCfgParam.tempSliceCfg.numOfRrmPolicy) + BuildAndSendSliceConfigReq(); #ifdef O1_ENABLE DU_LOG("\nINFO --> DU APP : Raise cell UP alarm for cell id=%d", cellId->cellId); raiseCellAlrm(CELL_UP_ALARM_ID, cellId->cellId); setCellOpState(cellId->cellId, ENABLED, ACTIVE); #endif - + duCfgParam.macCellCfg.cellCfg.opState = OP_ENABLED; + duCfgParam.macCellCfg.cellCfg.cellState = CELL_ACTIVE; } if((pst->selector == ODU_SELECTOR_LWLC) || (pst->selector == ODU_SELECTOR_TC)) @@ -276,16 +403,27 @@ uint8_t duHandleCellUpInd(Pst *pst, OduCellId *cellId) uint8_t DuProcMacCellDeleteRsp(Pst *pst, MacCellDeleteRsp *deleteRsp) { uint8_t ret = ROK; - uint16_t cellIdx=0; - + uint16_t cellIdx=0, pfIdx=0; + DuPagInfoList *pagInfoLLFromPF=NULLP; + if(deleteRsp) { - if(deleteRsp->result == SUCCESSFUL_RSP) + if(deleteRsp->status == SUCCESSFUL) { GET_CELL_IDX(deleteRsp->cellId, cellIdx); DU_LOG("\nINFO --> DU APP : MAC CELL Delete Response : SUCCESS [CELL IDX : %d]", deleteRsp->cellId); if(duCb.actvCellLst[cellIdx] && (duCb.actvCellLst[cellIdx]->cellId == deleteRsp->cellId)) { + for(pfIdx =0; pfIdx < MAX_SFN; pfIdx++) + { + pagInfoLLFromPF = findPagingInfoFromMap(pfIdx, &(duCb.actvCellLst[cellIdx]->pagingInfoMap)); + if(pagInfoLLFromPF) + { + cmHashListDelete(&(duCb.actvCellLst[cellIdx]->pagingInfoMap), (PTR)pagInfoLLFromPF); + DU_FREE(pagInfoLLFromPF, sizeof(DuPagInfoList)); + } + } + memset(duCb.actvCellLst[cellIdx], 0, sizeof(DuCellCb)); gCellStatus = CELL_DOWN; @@ -344,9 +482,9 @@ uint8_t sendCellDeleteReqToMac(uint16_t cellId) { Pst pst; uint8_t ret=ROK; - MacCellDelete *cellDelete = NULLP; + MacCellDeleteReq *cellDelete = NULLP; - DU_ALLOC_SHRABL_BUF(cellDelete, sizeof(MacCellDelete)); + DU_ALLOC_SHRABL_BUF(cellDelete, sizeof(MacCellDeleteReq)); if(cellDelete) { cellDelete->cellId = cellId; @@ -358,7 +496,7 @@ uint8_t sendCellDeleteReqToMac(uint16_t cellId) if(ret == RFAILED) { DU_LOG("\nERROR --> DU APP : sendCellDeleteReqToMac(): Failed to send Cell delete Req to MAC"); - DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, cellDelete, sizeof(MacCellDelete)); + DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, cellDelete, sizeof(MacCellDeleteReq)); } } else @@ -422,29 +560,354 @@ uint8_t duSendCellDeletReq(uint16_t cellId) } /******************************************************************* - * @brief fill paging information of a UE belongs to a particular cell + * @brief Free PCCH PDU structure + * + * @details + * + * Function : freePcchPdu + * + * Functionality: Free PCCH PDU structure + * + * @params[in] PCCH_Message_t *pcchMsg + * + * @return void + * + * ****************************************************************/ +void freePcchPdu(PCCH_Message_t *pcchMsg) +{ + PagingRrc_t *pagingMsg = NULLP; + uint8_t recordIdx = 0; + + if(pcchMsg != NULLP) + { + if(pcchMsg->message.choice.c1 != NULLP) + { + pagingMsg = pcchMsg->message.choice.c1->choice.paging; + if(pagingMsg != NULLP) + { + if(pagingMsg->pagingRecordList) + { + if(pagingMsg->pagingRecordList->list.array != NULLP) + { + for(recordIdx = 0; recordIdx < pagingMsg->pagingRecordList->list.count; recordIdx++) + { + if(pagingMsg->pagingRecordList->list.array[recordIdx] != NULLP) + { + DU_FREE(pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI.buf,\ + pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI.size); + DU_FREE(pagingMsg->pagingRecordList->list.array[recordIdx], sizeof(PagingRecord_t)); + } + } + DU_FREE(pagingMsg->pagingRecordList->list.array, pagingMsg->pagingRecordList->list.size); + } + DU_FREE(pagingMsg->pagingRecordList, sizeof(PagingRecordList_t)); + } + DU_FREE(pcchMsg->message.choice.c1->choice.paging, sizeof(PagingRrc_t)); + } + DU_FREE(pcchMsg->message.choice.c1 , sizeof(PCCH_MessageType_t)); + } + DU_FREE(pcchMsg , sizeof(PCCH_Message_t)); + } +} + +/******************************************************************* + * @brief Builds the Pcch RRC PDU and forwards it to MAC + * + * @details + * + * Function : BuildAndSendDlPcchIndToMac + * + * Functionality: Builds the Pcch RRC PDU[As per Spec 38.331, Annexure A] + * and forwards it to MAC as Buffer along with PF and i_s + * + * @params[in] uint16_t cellId, uint16_t pf, uint8_t i_s,CmLListCp *pageUeLL + * + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t BuildAndSendDlPcchIndToMac(uint16_t cellId, uint16_t pf, uint8_t i_s, CmLListCp *pageUeLL) +{ + CmLList *node = NULLP, *next = NULLP; + DuPagUeRecord *ueRecord = NULLP; + PCCH_Message_t *pcchMsg = NULLP; + asn_enc_rval_t encRetVal; + PagingRrc_t *pagingMsg = NULLP; + DlPcchInd *macPcchInd = NULLP; + uint8_t recordIdx = 0, ret = RFAILED; + + /*As per 38.473 Sec 9.3.1.39,5G-S-TMSI :48 Bits >> Bytes and 0 UnusedBits */ + uint8_t totalByteInTmsi = 6, unusedBitsInTmsi = 0; + + if(pageUeLL == NULLP || pageUeLL->count == 0) + { + DU_LOG("\nERROR --> DU APP: UE Page Record LL is empty"); + return RFAILED; + } + + while(true) + { + memset(&encRetVal, 0, sizeof(asn_enc_rval_t)); + DU_ALLOC(pcchMsg , sizeof(PCCH_Message_t)); + if(pcchMsg == NULLP) + { + DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(): (pccchMsg) Memory Alloction failed!"); + break; + } + pcchMsg->message.present = PCCH_MessageType_PR_c1; + DU_ALLOC(pcchMsg->message.choice.c1 , sizeof(PCCH_MessageType_t)); + if(pcchMsg->message.choice.c1 == NULLP) + { + DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (C1) Memory Alloction failed!"); + break; + } + pcchMsg->message.choice.c1->present = PCCH_MessageType__c1_PR_paging; + DU_ALLOC(pcchMsg->message.choice.c1->choice.paging, sizeof(PagingRrc_t)); + + pagingMsg = pcchMsg->message.choice.c1->choice.paging; + if(pagingMsg == NULLP) + { + DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (Paging) Memory Alloction failed!"); + break; + } + DU_ALLOC(pagingMsg->pagingRecordList, sizeof(PagingRecordList_t)); + if(pagingMsg->pagingRecordList == NULLP) + { + DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (Paging Record List) Memory Alloction failed!"); + break; + } + + pagingMsg->pagingRecordList->list.count = pageUeLL->count; + + /*As per Spec 38.331, maxNrofPageRec : 32 [Maximum number of page records]*/ + if(pageUeLL->count > MAX_PAGING_UE_RECORDS) + { + pagingMsg->pagingRecordList->list.count = MAX_PAGING_UE_RECORDS; + } + + pagingMsg->pagingRecordList->list.size = pageUeLL->count * (sizeof(PagingRecord_t *)); + DU_ALLOC(pagingMsg->pagingRecordList->list.array, pagingMsg->pagingRecordList->list.size); + if(pagingMsg->pagingRecordList->list.array == NULLP) + { + DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (Array) Memory Alloction failed!"); + break; + } + for(recordIdx = 0; recordIdx < pageUeLL->count; recordIdx++) + { + DU_ALLOC(pagingMsg->pagingRecordList->list.array[recordIdx], sizeof(PagingRecord_t)); + if(pagingMsg->pagingRecordList->list.array[recordIdx] == NULLP) + { + DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (Record) Memory Alloction failed!"); + break; + } + } + recordIdx = 0; + node = pageUeLL->first; + while(node && (recordIdx < MAX_PAGING_UE_RECORDS)) + { + next = node->next; + ueRecord = (DuPagUeRecord *)node->node; + if(ueRecord) + { + /*TODO : When Connected Mode Paging will be supported then I_RNTI will be introduced*/ + pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.present = PagingUE_Identity_PR_ng_5G_S_TMSI; + pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI.size = totalByteInTmsi*sizeof(uint8_t); + DU_ALLOC(pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI.buf,\ + pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI.size); + if(pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI.buf == NULLP) + { + DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (5gsTmsi buffer) Memory Allocation failed!"); + break; + } + fillBitString(&pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI,\ + unusedBitsInTmsi, totalByteInTmsi, ueRecord->sTmsi); + recordIdx++; + } + + if(duDelNodeFromLList(pageUeLL, node) == ROK) + DU_FREE(ueRecord, sizeof(DuPagUeRecord)); + node = next; + } + if(node != NULLP && (recordIdx < MAX_PAGING_UE_RECORDS)) + { + /*This leg is hit because Whole UE REcord List was not traversed as + * some issue happened thus exiting the main while*/ + break; + } + xer_fprint(stdout, &asn_DEF_PCCH_Message, pcchMsg); + memset(encBuf, 0, ENC_BUF_MAX_LEN); + encBufSize = 0; + /* Encode the PCCH RRC PDU as APER */ + encRetVal = uper_encode(&asn_DEF_PCCH_Message, 0, pcchMsg, PrepFinalEncBuf,\ + encBuf); + + if(encRetVal.encoded == ENCODE_FAIL) + { + DU_LOG("\nERROR --> F1AP : Could not encode Paging structure (at %s)\n",\ + encRetVal.failed_type ? encRetVal.failed_type->name : "unknown"); + break; + } + else + { + DU_LOG("\nDEBUG --> F1AP : Created APER encoded buffer for RRC PDU for Pcch indication \n"); + + DU_ALLOC_SHRABL_BUF(macPcchInd, sizeof(DlPcchInd)); + if(macPcchInd == NULLP) + { + DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (macPcchInd) Memory Alloction failed!"); + break; + } + + macPcchInd->cellId = cellId; + macPcchInd->pf = pf; + macPcchInd->i_s = i_s; + macPcchInd->pduLen = encBufSize; + DU_ALLOC_SHRABL_BUF(macPcchInd->pcchPdu, macPcchInd->pduLen); + if(macPcchInd->pcchPdu == NULLP) + { + DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (PcchPDU) Memory Alloction failed!"); + break; + } + memcpy(macPcchInd->pcchPdu, encBuf, macPcchInd->pduLen); + ret = sendDlPcchIndToMac(macPcchInd); + if(ret != ROK) + { + DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, macPcchInd->pcchPdu, macPcchInd->pduLen); + DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, macPcchInd, sizeof(DlPcchInd)); + break; + } + } + ret = ROK; + break; + } + freePcchPdu(pcchMsg); + return ret; +} + +/******************************************************************* + * @brief Keeping the record of Paging having a particular SFN and index associated + * + * @details + * + * Function : insertPagingRecord + * + * Functionality: Insert record of Paging assoc with particular SFN and index associated + * + * @params[in] DuCellCb* cellCb, uint16_t iterations + * DuPagingMsg rcvdF1apPagingParam + * + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t insertPagingRecord(DuCellCb* cellCb, DuPagingMsg *rcvdF1apPagingParam, uint16_t iterations) +{ + uint16_t maxIterations = 0; + DuPagInfoList *pagInfoLLFromPF = NULLP; + DuPagUeList *pageUeLL = NULLP; + DuPagUeRecord *ueRecord = NULLP; + +#if 0 + printPageList(&(cellCb->pagingInfoMap)); +#endif + + /*MAX Iteration : A UE can be paged at every T frames thus MAX determines + *how many Paging Frame(s) can be considered for Paging this UE*/ + maxIterations = MAX_SFN/rcvdF1apPagingParam->T; + if(iterations >= maxIterations) + { + DU_LOG("\nERROR --> DU APP: MAX Iterations reached for UEID:%d, thus Paging is dropped!", rcvdF1apPagingParam->pagUeId); + return RFAILED; + } + + /*[Step1]: Extracting the PF from the HasMap between PF and PagingInfoList*/ + pagInfoLLFromPF = findPagingInfoFromMap(rcvdF1apPagingParam->pagingFrame, &(cellCb->pagingInfoMap)); + if(pagInfoLLFromPF != NULLP) + { + /*[Step2]: Extracting the PageInfo List for the Paging Indices(i_s)*/ + pageUeLL = handlePageInfoLL(rcvdF1apPagingParam->pagingFrame, rcvdF1apPagingParam->i_s, \ + &(pagInfoLLFromPF->pagInfoList), CREATE); + + if(pageUeLL != NULLP) + { + /*[Step3]: Check whether MAX UE Record against this PF and i_s has reached(Spec 38.331, Annexure A)*/ + if(pageUeLL->pagUeList.count < MAX_PAGING_UE_RECORDS) + { + /*[Step4]: Insert the Paging Record to the end of the UE record List*/ + ueRecord = handlePageUeLL(rcvdF1apPagingParam->pagUeId, rcvdF1apPagingParam->sTmsi,\ + &(pageUeLL->pagUeList), CREATE); + + if(ueRecord == NULLP) + { + DU_LOG("\nERROR --> DU APP: Unable to create UE Record in PagingList"); + return RFAILED; + } + DU_LOG("\nDEBUG --> DU APP: UE Record created successfully in PagingList"); + return ROK; + } + else + { + /*Since MAX Page record has reached for this PF thus calculating and + *moving this UE to next Paging Cycle*/ + DU_LOG("\nINFO --> DU APP: Max Page Record reached for PagingFrame:%d",rcvdF1apPagingParam->pagingFrame); + rcvdF1apPagingParam->pagingFrame = ((rcvdF1apPagingParam->pagingFrame + rcvdF1apPagingParam->T) % MAX_SFN); + iterations++; + + return insertPagingRecord(cellCb, rcvdF1apPagingParam, iterations); + } + } + } + /*Reaching here means that PF has no entry in the PageLists, + *Thus creating, Updating and inseritng the Paging Map, List and UE record.*/ + + DU_ALLOC(pagInfoLLFromPF, sizeof(DuPagInfoList)); + + if(pagInfoLLFromPF == NULLP) + { + DU_LOG("\nERROR --> DU APP: PageInfo Map allocation failed."); + return RFAILED; + } + pagInfoLLFromPF->pf = rcvdF1apPagingParam->pagingFrame; + pageUeLL = handlePageInfoLL(rcvdF1apPagingParam->pagingFrame, rcvdF1apPagingParam->i_s, &(pagInfoLLFromPF->pagInfoList), CREATE); + ueRecord = handlePageUeLL(rcvdF1apPagingParam->pagUeId, rcvdF1apPagingParam->sTmsi, &(pageUeLL->pagUeList), CREATE); + if(cmHashListInsert(&(cellCb->pagingInfoMap), (PTR)pagInfoLLFromPF, (uint8_t *)&(pagInfoLLFromPF->pf), sizeof(uint16_t)) == RFAILED) + { + DU_LOG("\nERROR --> DU APP: Hash Map Insertion Failed for PF:%d.",rcvdF1apPagingParam->pagingFrame); + } + +#if 0 + printPageList(&(cellCb->pagingInfoMap)); +#endif + + return ROK; + + +} + +/******************************************************************* + * @brief Calculate and fill paging information of a UE belongs to a particular cell * * @details * - * Function : FillPagingInfoInCellCb + * Function : calcAndFillPagingInfoInCellCb * - * Functionality: fill paging information of a UE in DuCellCb + * Functionality: Calculate PO and i_s and + * fill paging information of a UE in DuCellCb * - * @params[in] DuCellCb* cellCb, uint8_t ueId, + * @params[in] DuCellCb* cellCb, uint8_t pagUeId, * DuPagingMsg rcvdF1apPagingParam * * @return ROK - success * RFAILED - failure * * ****************************************************************/ -uint8_t FillPagingInfoInCellCb(DuCellCb* cellCb, DuPagingMsg *rcvdF1apPagingParam) +uint8_t calcAndFillPagingInfoInCellCb(DuCellCb* cellCb, DuPagingMsg *rcvdF1apPagingParam) { uint8_t ns = 0; uint16_t T=0, N=0, pagingFrame = 0, n = 0; uint16_t currentSfn = 0, sfn = 0, newSfn = 0; PcchCfg duPcchCfg; - DU_LOG("\nINFO --> DU APP : Start filling paging parameters in DuCellCb"); if(cellCb) { /* calculate paging frame and paging offset */ @@ -493,7 +956,7 @@ uint8_t FillPagingInfoInCellCb(DuCellCb* cellCb, DuPagingMsg *rcvdF1apPagingPara /* calculate the Value of pagingFrame */ /*Refer: 38.304 Sec 7.1: (SFN + PF_offset) mod T = (T div N)*(UE_ID mod N)*/ //RHS of above formula - pagingFrame = (T / N) * ((rcvdF1apPagingParam->ueId) % N); + pagingFrame = (T / N) * ((rcvdF1apPagingParam->pagUeId) % N); //LHS of above formula if(pagingFrame) @@ -553,20 +1016,109 @@ uint8_t FillPagingInfoInCellCb(DuCellCb* cellCb, DuPagingMsg *rcvdF1apPagingPara sfn = newSfn; } } - rcvdF1apPagingParam->pagingFrame = (sfn % 1024); - rcvdF1apPagingParam->i_s = ((uint32_t)(floor(rcvdF1apPagingParam->ueId / N)) % ns); + rcvdF1apPagingParam->pagingFrame = (sfn % MAX_SFN); + rcvdF1apPagingParam->i_s = ((uint32_t)(floor(rcvdF1apPagingParam->pagUeId / N)) % ns); - DU_LOG("\nINFO --> DU APP : Successfully filled paging parameter in DuCellCb"); memcpy(&cellCb->tmpPagingInfoOfUe, rcvdF1apPagingParam, sizeof(DuPagingMsg)); } else { - DU_LOG("\nINFO --> DU APP : FillPagingInfoInCellCb(): Received null pointer"); + DU_LOG("\nINFO --> DU APP : calcAndFillPagingInfoInCellCb(): Received null pointer"); + return RFAILED; + } + return ROK; +} + +/******************************************************************* + * @brief Paging Processing on a particular cell + * + * @details + * + * Function : processPagingMsg + * + * Functionality: Process Paging on a particular cell + * + * @params[in] uint16_t cellId + * DuPagingMsg rcvdF1apPagingParam + * + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t processPagingMsg(uint16_t cellId, DuPagingMsg *rcvdF1apPagingParam) +{ + uint16_t cellIdx = 0, iteration = 0; + + GET_CELL_IDX(cellId, cellIdx); + + if(duCb.actvCellLst[cellIdx] == NULLP || duCb.actvCellLst[cellIdx]->cellId != cellId) + { + DU_LOG("\nERROR --> DU APP : processPagingMsg(): CellId[%d] is not found", cellId); + return RFAILED; + } + + if(calcAndFillPagingInfoInCellCb(duCb.actvCellLst[cellIdx], rcvdF1apPagingParam) != ROK) + { + DU_LOG("\nERROR --> DU APP : CellCb:%d not present to fill UE Paging Information",cellId); + return RFAILED; + } + if(insertPagingRecord(duCb.actvCellLst[cellIdx], rcvdF1apPagingParam, iteration) != ROK) + { + DU_LOG("\nERROR --> DU APP : Insertion Failed ofUE Paging Information"); return RFAILED; } return ROK; + } +/******************************************************************* + * + * @brief DU build and send dl broacast req and send it to MAC + * + * @details + * + * Function : duBuildAndSendDlBroadcastReq + * + * Functionality: DU build and send dl broacast req and send to MAC + * + * + * @params[in] cellId, crnti + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ + +uint8_t duBuildAndSendDlBroadcastReq() +{ + Pst pst; + uint8_t ret =ROK; + MacDlBroadcastReq *dlBroadcast=NULLP; + + DU_LOG("\nDEBUG --> DU_APP : Building Dl broadcast request"); + + DU_ALLOC_SHRABL_BUF(dlBroadcast, sizeof(MacDlBroadcastReq)); + if(dlBroadcast) + { + /*TODO - fill MAC DL Broadcast Request*/ + + FILL_PST_DUAPP_TO_MAC(pst, EVENT_MAC_DL_BROADCAST_REQ); + + DU_LOG("\nDEBUG --> DU_APP: Sending Dl broadcast Request to MAC "); + ret = (*packMacDlBroadcastReqOpts[pst.selector])(&pst, dlBroadcast); + if(ret == RFAILED) + { + DU_LOG("\nERROR --> DU_APP: sendDlBroadcastReqToMac(): Failed to send Dl broadcast Req to MAC"); + DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, dlBroadcast, sizeof(MacDlBroadcastReq)); + } + } + else + { + DU_LOG("\nERROR --> DU_APP: sendDlBroadcastReqToMac(): Failed to allocate memory"); + ret = RFAILED; + } + + return ret; +} /********************************************************************** End of file